4 CONTEN TS 



II. Correlation between the inception of hearing and the growth of the 



cochlea 145 



Observation 146 



Discussion 152 



Conclusions 155 



III. On the growth of the largest nerve cells in the ganglion vestibulare. . . 156 



Material and technique 156 



Observations 156 



Discussion 165 



Conclusions 168 



Final summary 169 



Literature cited . . . 171 



